Portion of a shoe



FIG. 1 is a left side view of a portion of a shoe showing our new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view of another embodiment of a portion of a shoe showing our new design;

FIG. 5 is a rear view thereof; and,

FIG. 6 is a right side view thereof.

The dot-dash broken line immediately adjacent the shaded areas represent the bounds of the claimed design while all other broken lines are included for the purpose of illustrating the unclaimed portions of the article; the broken lines form no part of the claimed design. 

The ornamental design for a portion of a shoe, as shown and described. 